仁爱英语九年级Unit4 Topic 2学案教案

仁爱版九年级学案

Unit 4  Topic 2

一、知识目标

【重要短语】

be used for +ving  被用做……

come true  实现

It’s said that据说

during/in one’s life 某人一生

be known as以……（身份）而著名

know/say for certain确切知道/肯定地说

all the time  一直、总是

no longer=not…any longer不再

 as long as只要

as far as就……，尽……make a great contribution 对……作出巨大贡献

the rest of the time在其余地时间里

at any time在任何时候

【重点句型】

1.What’s it made of from?

2.When/where was it made?

It was invented in 1879.

3.What will our future be like?

I hope your dream will come true.

【重要语法】

1.一般过去时的被动语态

谓语部分的基本形式是be的过去式was/were+及物动词的过去分词。

如：When was it made?  它是什么时候制造的？

It was made in 1980.它是1980年制造的。

When was the digital camera invented?数码像机是什么时候发明的？

It was invented in 1975.它是1975年发明的。

2.时间前所用介词口诀

年月周前使用in， 除此一般上下午。

遇到几号要用on，某日上下晚如故。

午夜黄昏须用at， 黎明用它也不错。

At常用在时分前，说差要用to来表。

何时使用 past？  分钟超过半小时。

二、要点讲评

1. Because I’m not allowed to play computer games.因为我不可以玩电脑游戏。

allow “允许、准许”的意思。常用于以下几种形式：

(1) allow +n./prep 如： We can’t allow such a thing.我们不容许这种事情发生。

(2) allow sb. to do sth 允许某人做某事  

如：She allowed me to go fishing.她允许我去钓鱼。

(3) allow +doing sth 允许做某事     

如：We don’t allow smoking in the reading-room.我们不允许在阅览室吸烟。

(4) be allowed to do sth被允许做某事

 如：The students are allowed to play games on the play ground after school.

放学后学生们被准许在操场上做游戏。

2. How do you say this in English? 这用英语怎么说？

其意思与What’s this in English相同。

3. It’s made from wood.它用木材做的。

(1) .be made in 在……地方制造，后接表示地点的名词。

(2). be made of 用……制造的，表示原材料未经化学变化，仍可看得出原材料。

(3). be made from 用……制造的，表示原材料经过化学变化，已看不出其原样。

(4) .be made by 由（被）……（人）制作，后接表示人的名词或代词。

(5) .be made into 某物）被制成……

(6) .be made up of  由……组成  

如：⑴.The TV set is made in Japan.这台电视机是日本生产的。

⑵.These houses are made of stones.这些房子是由石头建造的。

 ⑶.Paper is made from wood.纸是木头造的。

⑷.Was this cake made by your mother?这蛋糕是你妈妈做的吗？

⑸.Metal can be made into all kinds of things.金属可以制成各种各样的物品。

⑹.The medical team is made up of ten doctors.这支医疗队由10位大夫组成。

4. It’s used for helping us to improve our English.它用来帮助我们提高英语水平。

(1). be used for+ving= be used to do（被）用来做……,强调用途或作用.

(2).be used as（被）作为……而用，强调被当作工具或手段来用。

(3).be used by 被……使用，by后跟人/物，强调使用者。

如:⑴.Pens are used for writing.钢笔被用来写字。

⑵.Wood is used to make paper.木材被用来造纸。

⑶.English is used as a foreign language in China.英语在中国被当作外语使用。

⑷.Recorders are often used by English teachers.英语老师经常使用录音机。

5. People are surprised at the rapid development of robots.人们为机器人的飞速发展感到惊讶。

be surprised at…表示“对……感到惊讶”。而be surprised by…是一个被动语态形式，表示“被……所惊讶”。

如：⑴.I am surprised at you.我对你的举动感到诧异。

⑵.The manager was surprised by what he saw on the computer.

那位经理被眼前出现在电脑屏幕上的东西所惊讶。

6. They will no longer want to be our servants, but our masters.

它们将不再愿意做我们的人，而要做我们的主人。

no longer（通常在动词前），not…any longer; not…any more（用于非正式文体中）都可表示“（过去曾……）现在不再……”

如：⑴.She no longer lives here.

⑵.She doesn’t live here any longer(或 any more).

她不在这儿住了。（过去她曾住这儿）

7. This method worked well at night as long as the weather was good and the stars could be seen.

在夜间只要天气晴朗，能看见星星，这种方法就能很好地发挥作用。

  work well  有效 ；as long as 只要。

三、典型例解

(   )1.Students _____ their hair when they are at school.

A.don’t allow to dye(给……染色)B.are not allowed to dye

C.aren’t allowed to dyingD.aren’t allowed dying

分析：B  allow跟复合宾语的结构是allow sb. to do sth. 在被动语态中的结构是be allowed to do sth. dye v.表示“给……染色”，print v.表示“印刷”。

(   )2.When was _____ umbrella _____?

A./; inventedB.a; discoveredC.an; discoveredD.the; invented

分析：D  invent v.发明，创造(指世间原来没有的东西), 其被动语态是be invented; discover v.发现（世间本来就存在，后被人类所发现的东西），其被动语态是be discovered; 另外伞在这里是特指。

(   )3.The cleaners make a great contribution to _____ the city clean.

A.keptB.keepingC.keepD.be kept

分析：B  make contributions to+n./v-ing 意为“为……作贡献”。

(   )4.—Did you go to Jim’s birthday party?

—No, I _____.

A.am not invitedB.wasn’t invited

C.haven’t invitedD.didn’t invited

分析：B  本题考查被动语态。

(   )5.The dream of flying up into space has _____.

A.come trueB.come into being

C.come backD.come in

分析：A 根据题意考查短语come true 实现。

(   )6.Do you know for _____ that it was made in 1980?

A.certainB.certainlyC.sureD.doubt

分析：A  for certain确切地。

(   )7._____ you finish your homework, you can go out to play.

A.As well asB.UnlessC.As long asD.As far as

分析：C  as long as 只要……

(   )8.—It’s _____ that you have been to Shanghai alone.

—Yes, that’s right.

A.saidB.reportedC.knowD.certain

分析：A  It’s said … 据说/听说。

(   )9.Computers are very useful. For example, they can _____ sending e-mails.

A.be used toB.be used withC.be used forD.be used as

分析：C  be used to 被用来做某事；be used for 被用来做什么；be used as 被用作；故选C。

(   )10.—I saw Lucy go to Miss Zhang’s home just now.

—Yes, she is often seen _____ Miss Zhang with her housework.

A.help B.to helpC.helpsD.helping

分析：B  主动句中see后的不定式作宾语补足语省去to，但在被动句中应将to加上。

四、评价作业

I. 根据句子意思及首字母提示补全单词

1.The film “Hero” is d___________ by Zhang Yimou.

2. An English scientist named Rin Wallemart c__________ the first sheep “Dolly” in July, 1996.

3. Many centuries ago, people believed that they were c____________ by God.

4. Cloning is a famous e______________ throughout the world.

5. Edison invented more than one thousand i______________ in his life.

II. 翻译词组，补全句子

1._______ ________ (总之), an English Learning Machine is very useful for learning English.

2. I know ________ ___________ (肯定) that she’s there, but she won’t answer me.

3. I believe the dream to travel on the Mars will ________ _________ (实现) in the near future.

4. We can use GPS at any time, in any place and in any weather to _________ _______ (发现) our position.

5. In the story, human beings were __________ _________ (把…..看做) animals by robots.

III. 完成下列句子的汉译英第一课件网

1.人们对机器人的快速发展感到吃惊。

  Peoople _________ _____________ _______ the rapid _____________ of robots.

2.数码相机是用来照相的。

  ______ ___________ _________ is used _________ ___________ __________.

3.他们现在习惯讲英语了，然而一年前他们常讲汉语。

  They _______ __________ ________ ___________ English now, _________ they ________ ________ ___________ Chinese one year ago.

4. 只要天气好，夜空中的星星就能看到。

  _________ _________ ________ the weather _______ fine, stars ________ ________ _________ in the night sky.

5.X光机器是用来发现疾病的。

  The X-ray machine _________ __________ ___________ ____________ _____________.

IV. 选择题

(    ) 1. What he said had a strong _____ on me.

        A. affect        B. afford        C. effect

(    ) 2. Peter was made _____ outside.

        A. to wait        B. to wait for      C. waiting

(    ) 3. ---Our holiday cost a lot of money.

        ---Did it ? Well, that doesn’t matter ____ we enjoyed ourselves.

         A. unless       B. in order to       C. as long as

(    ) 4. I bought an MP4 player last week. It was _____ Chongqing.

         A. made from      B. made in       C. made of

(    ) 5. I ____ you to be more careful next time.

         A. wish       B. hope         C. make

(    ) 6. Dr Wang made a great contribution _____ the environment.

         A. to protect      B. to protecting      C. protecting

(    ) 7. Her aunt _____ work in the hospital _____.

         A. no longer, /      B. not, no longer     C. doesn’t, any longer

(    ) 8. There is ____ that cloning is _____ in some fields.

         A. no doubt, helpful    B. not doubt, useless    C. some doubt, use

(    ) 9. Look, I have bought a pair of new shoes. They are _____.

         A. the same as Lucy     B. the same as Lucy’s   C. similar to Lucy

(    ) 10. Li Yunchun thinks music is _____. She can’t live _____ music.

          A. part of her life, with      B. part life of her, without

          C. part of her life, without

(    ) 11. Students ____ slippers (拖鞋) when they are at school.

         A. don’t allow to wear   B. aren’t allowed to wear   C. aren’t allowed to put on

(    ) 12. A neighour helped to keep our dog. It ____ while we were on holiday.

         A. cared for         B. is looked after     C. was taken care of

(    ) 13. ----These bananas look different and they are sweet.

         --- Right. They ____ here from Taiwan yesterday.

         A. were brought     B. brought        C. are brought

(    ) 14. Light bulbs are _____ used in our _____life.

         A. wide, everyday      B. widely, daily     C. wider, every day

(    ) 15. The rest of the work ____ going to be finished soon.

         A. is             B. are           C. were

Ⅴ.书面表达

现在上网成了许多学生的主要娱乐方式之一。假如你叫陈真, 你最近对所在学校的60名同学(30名男生, 30名女生)进行了上网目的调查。请根据调查结果, 写一篇80词左右的短文。

                                     &n